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The Yahoo Taxonomy Model

Information Architecture Designing and Organising Digital Information Spaces Part III. Advanced Navigation & Search. The Yahoo Taxonomy Model. An informal count suggests more than 67,000 categories in Yahoo with roughly 4 to 8 levels of hierarchy between the main page and actual content.

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The Yahoo Taxonomy Model

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  1. Information Architecture Designing and Organising Digital Information SpacesPart III. Advanced Navigation & Search

  2. The Yahoo Taxonomy Model • An informal count suggests more than 67,000 categories in Yahoo with roughly 4 to 8 levels of hierarchy between the main page and actual content.

  3. Faceted Classification

  4. Wine.com by the Numbers • 4 facets with 10 nodes each have the same discriminatory power as one hierarchy of 10,000 (104) nodes. • Joseph Busch • Taxonomy Strategies

  5. Common Facets

  6. The Influence of Assortment Structure on Perceived Variety and Consumption Quantities • by Kahn and Wansink, Journal of Consumer Research (article) • It is widely assumed across disciplines that increasing the actual variety of an assortment increases the quantity consumed. We show, however, that the perceived variety of an assortment also robustly drives consumption even when actual variety is unchanged. • For small sets, disorganized assortments may appear to have more perceived variety, but the opposite might be true for assortments with a large mix of different options.

  7. Buying Info 14 Screens 300 Links 3,000 Words

  8. Tested 11 systems including Amazon, RatingZone, Sleeper, MovieCritic, Reel, CDNow, Mood Logic, and Media Unbound • Two factors emerged as strongly affecting levels of user trust: familiarity with recommended items and transparency of system logic. • Interaction Design for Recommender Systems • by Kirsten Swearingen & Rashmi Sinha, SIMS, UC Berkeley (article)

  9. “Intuitively, pages that are well cited from many places around the web are worth looking at.” Sergey Brin & Larry Page

  10. To Connect • Peter Morville • morville@semanticstudios.com • Semantic Studios • http://semanticstudios.com/ • Asilomar Institute for Information Architecture • http://aifia.org/ • Findability • http://findability.org/

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